Finding the Fourth Proportional to 766,693.83, 1,058,044.72 and 422,542.17

Step by Step Solution

1. Step 1: Write the proportion equation
   766,693.83 : 1,058,044.72 = 422,542.17 : x
2. Step 2: Convert to fraction form
   766,693.83/1,058,044.72 = 422,542.17/x
3. Step 3: Cross multiply
   766,693.83x = 1,058,044.72 × 422,542.17
4. Step 4: Simplify right side
   766,693.83x = 447,068,510,889.49
5. Step 5: Solve for x
   x = 447,068,510,889.49/766,693.83
6. Step 6: Final answer
   x = 583,112.18